September 2019
0150 Rutile, Quartz (Amethyst), Entia Valley, Harts Ranges, Northern Territory
Rutile inclusions, quartz sceptre
0138 Goethite, Quartz, Mooralla, Victoria
Golden brown spray of goethite on quartz. Width of view 11.5mm. Stack of 56 images. Click on the image below for a higher resolution version.
0112 Stromeyerite, Chalcocite, Prince Lyell Mine, Mount Lyell Mines, Queenstown district, Tasmania
Massive grey-metallic Stromeyerite inter grown with some Chalcocite. Old specimens collect around 1960. Ex Bergakedemie in Freiberg (Freiberg University of Mining and Technology). Reanalysed by Gunnar Farber. Analysis: At% S K 30.15 AgL 30.62 FeK...
0097 Stannite, Pyrite, Mt Bischoff mine, Waratah, Waratah district, Tasmania
Massive crystal aggregates of an Indium-rich Stannite, together with minor Pyrite. Very old specimens, collect around 1900. Ex Bergakedemie in Freiberg (Freiberg University of Mining and Technology). Reanalysed by Gunnar Farber. Analysis: At% S K...
0096 Shigaite, Gageite, N’Chwaning II Mine, N’Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
Golden hexagonal plates of shigaite on greyish-white fibrous gageite. Collected 1993.
0095 Zemannite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Large prismatic yellow crystals of zemannite in quartz vugh
0079 Kuranakhite, Gold, Tellurium, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Tiny brown puffballs of kuranakhite with dark yellow gold and silver tellurium
0072 Gold, Cox Lode, McAuley, Leinster, Western Australia
Sponge gold on a soft mineral (steatite?). Locality is likely Cox’s Find, a historical goldfield some 65km north of Laverton to the east of Leinster. Width of view 5.75mm. Click on the image below for...
0059 Markcooperite, Timroseite, Khinite, Bird Nest drift, Otto Mountain, Baker, San Bernardino Co., California, USA
Orange markcooperite, yellow timroseite and green khinite
0039 Poughite, Schmitterite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Greenish-yellow spheres of poughite with tiny yellow tufts of schmitterite
0013 Paratellurite, Tellurite, Quartz, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Masses of creamy plates of paratellurite with yellow tellurite
0012 Kuranakhite, Gold, Tellurium, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Tiny brown puffballs of kuranakhite with dark yellow gold and silver tellurium
0005 Schmitterite, Emmonsite, Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Schmitterite as tiny yellow to cream sprays, emmonsite green
0004 Chrysocolla, Boleite, Pseudoboleite, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico
Pseudomorph of chrysocolla after boleite and pseudoboleite. From near to the Amelia Mine. Too fragile to mount so nestled in tissue.